A man weighing 60kg runs up a flight of stairs 4m high in 3s .the power developed by him is
tjaysree:
A man weighing 60kg runs up a flight of stairs 4m high in 3s .the power developed by him is
a source of sound emitting emitting frequency of 150 is moving towards a stationary observer with a velocity of 110ms. if the velocity of sound is 33oms, the frequency of sound heard by the observer is
Answers
Answered by
0
power = work/time p\O = Fs/t = Mgs/t = 60 x 9.8 x 4 /3 = 784 j/s
Answered by
0
Explanation:
Give some stars, give more sums too
Attachments:
Similar questions